2835T81.2 aluminum plate 96 meter fluorescent lamp 120 light spot

4.1 aluminum sheet expensive production process should pay special attention to the normative operation, to prevent abnormal operations caused due to retirement phenomenon. 4.2 The operator of each process must be handled with care when operating, in order to avoid board surface and aluminum surface scratch. 4.3 Each step of the operator, should be avoided within the effective area of ??the contact of the aluminum substrate by hand, and the subsequent step of holding plate spray tin plate only be allowed to hold the edge, is prohibited finger directly touch the inner panel. 4.4 aluminum board is a special board, which should lead to the production of each process attaches great importance to the district, section chief, foreman personally quality control to ensure smooth production of plate in each process. 5. The specific process and a special production parameters: 5.1.1 5.1 is expected to open strengthen incoming inspection (must use the aluminum surface with a protective film of the blank). 5.1.2 is expected to open without baking sheet. 5.1.3 gently, pay attention to the aluminum surface (protective film) protection. 5.2 Drilling 5.2.1 Drilling parameters and FR-4 plates drilled with the same parameters. 5.2.2 The special bore tolerance Yan, 4OZ group Cu attention to controlling burr generation. 5.2.3 copper up drilling.